Fix docker compose and add restart script

README.md

@@ -30,14 +30,14 @@ The build environment consists of a docker-compose.yml file running the followin
 - Run the docker-compose command.
 
 ```bash
-git clone http://github.com/30hours/blah2
-cd blah2
+sudo git clone http://github.com/30hours/blah2 /opt/blah2
+cd /opt/blah2
 vim config/config.yml
 ./lib/sdrplay-3.0.7/SDRplay_RSP_API-Linux-3.07.1.run --tar -xvf
 ./lib/sdrplay-3.0.7/install.sh
-sudo mkdir /opt/blah2
-sudo chmod a+rw /opt/blah2
-sudo docker-compose up -d
+sudo docker network create blah2
+sudo systemctl enable docker
+sudo docker compose up -d
 ```
 
 The radar processing output is available on [http://localhost:49152](http://localhost:49152).

docker-compose.yml

@@ -12,6 +12,8 @@ services:
       context: .
       dockerfile: Dockerfile
     image: blah2
+    depends_on: 
+      - blah2_api
     volumes:
       - /dev/shm:/dev/shm
       - /run/systemd/system:/run/systemd/system

script/blah2.bash

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+# Run script with a crontab to automatically restart on error.
+# Checks the API to see if data is still being pushed through.
+
+FIRST_CHAR=$(curl -s 127.0.0.1:3000/map | head -c1)
+
+if [[ "$FIRST_CHAR" != "{" ]]; then
+  docker compose -f /opt/blah2/docker-compose.yml down
+  systemctl restart sdrplay.service
+  docker compose -f /opt/blah2/docker-compose.yml up -d
+fi

script/crontab.txt

@@ -0,0 +1 @@
+* * * * * /opt/blah2/script/blah2.bash